1969131880

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{32797}}^1$

素因数の和:32906

約数の個数: 64

約数和(自身を含む): 4722912000

約数和(自身を除く): 2753780120

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 79, 95, 152, 158, 190, 316, 380, 395, 632, 760, 790, 1501, 1580, 3002, 3160, 6004, 7505, 12008, 15010, 30020, 32797, 60040, 65594, 131188, 163985, 262376, 327970, 623143, 655940, 1246286, 1311880, 2492572, 2590963, 3115715, 4985144, 5181926, 6231430, 10363852, 12462860, 12954815, 20727704, 24925720, 25909630, 49228297, 51819260, 98456594, 103638520, 196913188, 246141485, 393826376, 492282970, 984565940, 1969131880]

約数ペア:

[(1, 1969131880), (2, 984565940), (4, 492282970), (5, 393826376), (8, 246141485), (10, 196913188), (19, 103638520), (20, 98456594), (38, 51819260), (40, 49228297), (76, 25909630), (79, 24925720), (95, 20727704), (152, 12954815), (158, 12462860), (190, 10363852), (316, 6231430), (380, 5181926), (395, 4985144), (632, 3115715), (760, 2590963), (790, 2492572), (1501, 1311880), (1580, 1246286), (3002, 655940), (3160, 623143), (6004, 327970), (7505, 262376), (12008, 163985), (15010, 131188), (30020, 65594), (32797, 60040)]